<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>domApi</title>
</head>
<body>
    <div id="result"></div>
    <script>
        if (typeof(Storage) !== 'undefined') {
            try {
                localStorage.setItem('sitename','domapi');
                document.getElementById('result').innerHTML=localStorage.getItem('sitename');
            } catch(e) {
                document.getElementById('result').innerHTML='sorry';
            }
        }
        function getDomResult() {
            let str = document.getElementById('result').innerHTML
            return str
        }
    </script>
</body>
</html>